Home / 149,595.20-224,281.20-90,418.40

Finding the Fourth Proportional to 149,595.20, 224,281.20 and 90,418.40

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Solution

The fourth proportional to 149,595.20, 224,281.20 and 90,418.40 is: 135,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,595.20 : 224,281.20 = 90,418.40 : x
  2. Step 2: Convert to fraction form
    149,595.20/224,281.20 = 90,418.40/x
  3. Step 3: Cross multiply
    149,595.20x = 224,281.20 × 90,418.40
  4. Step 4: Simplify right side
    149,595.20x = 20,279,147,254.08
  5. Step 5: Solve for x
    x = 20,279,147,254.08/149,595.20
  6. Step 6: Final answer
    x = 135,560.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.